Retaining-valve fastening



Aug. 20, I929. c. M. HANNAFORD RETAINING VALVE FASTENING Filed Nov. 1927 Patented 'Aug. 20, 1929.

UNITED STATES CLEON M. HANNAFORD, 0F RICHMOND, VIRGINIA.

RETAIN IN G-VALVE FASTENING.

Application filed November 8, 1927. Serial No. 231,974.

The object of this invention is to provide means by which retaining valves may be attached to the ends of cars, whether such ends meet wood, flat steel plates or corrugated steel plates, and be detached therefrom without disturbing the attaching means and particularly without the necessity of entering the car.

The invention consists of using U bolts extending through the ends of the cars or attachments to such ends, and having fastenings on the outside of such ends for securing the U bolts to the cars and also for securing the retaining valves, so that when it becomes necessary to remove a retaining valve, it is only necessary to remove the externally accessible U bolt nuts from the retaining valve, without disturbing the U bolt connection to the car, as I will proceed now more fully to explain and finally claim.

In the accompanying drawings illustrating the invention, in the several figures of which like parts are similarly designated, Figure 1 is a front elevation and Fig. 2 is a side elevation showing my invention as applied to a fiat end, indicated at a, a portion of the car end in Fig. 2 being shown in section. Fig. 3 is a front elevation, showing my invention applied to a corrugated end, indicated at b, and Fig. d is a side elevation showing a portion of the corrugated end in section. Fig. 5 is a fragmentary front elevation of the improved retaining valve of my application filed October 15, 1927, Serial No. 226,370, which may be mounted on a car end by the U bolts of this present invention.

The retaining valve 1 may be of the standard or any other approved type, and has the usual wings 2 with circular holes 3 for engagement with the fastening devices, such as bolts.

It is a common practice to pass the said bolts through holes in the car end and wings and then apply nuts to the outwardly extending ends next to the wings. The bolts and nuts become corroded so that when it it attempted to unscrew the external nuts the bolts turn with them, thus -making it necessary to enter the car and displace or remove the car load in order to gain access to the bolts so that they may be held from turning while the external nuts are being removed. Obviously such a proceeding is laborious and time consuming. In order to remedy this evil, I provide U bolts 4 arranged inside the car and having their threaded ends 5 and 6 extending externally, one of the ends being shorter than the other and secured by nuts 7 to the car end on the outside, and the other and longer end passing through the car end and the holes in the retaining valve wings and secured by outside nuts 8.

In the case of a car having a corrugated end, as in Figs. 3 and 4, a plate 9 may be secured to the end by riveting, as indicated at 10, and the U bolts applied to this plate with the same exposure of its threaded ends.

The invention is also applicable to adjust able retaining valves, 11, having the wings provided with vertical slots, 12, such as represented in Fig. 5, and set forth in my appication hereinbefore mentioned.

By rendering it unnecessary to loosen or alter or otherwise disturb the connection of the threaded ends of the U bolts with the car end when it is desired to remove or re place a retaining valve, there is no liability of the U bolts becoming detached or lost, and the threaded ends of the U bolts that serve to connect with the retaining valve remain in position to be utilized immediately without any setting or adjustment.

Variations in the details of construction are permissible within the principle of the invention and the claims following.

\Vhat I claim is 1. Retaining valve fastenings, comprising U bolts adapted to be supported upon a car end and having their threaded ends exposed on the outside and adapted to be applied respectively to the car end support and the retaining valve, and nuts applied to such ends, only those nuts which engage the retaining valve having to be removed in order to release the retaining valve.

2. Retaining valve tastenings, comprising U bolts inserted in the end of a car from the inside of the car and having their threaded ends extending through such car ends and secured respectively to the end of the car and the retaining valve.

3. Retaining valve fastenings, comprising U bolts adapted to be supported upon a car end and having their threaded ends exposed on the outside and adapted to be applied respectively to the car end support and the retaining valve, and nuts applied to such ends next to the car end and the retaining valve, only those nuts which engage the re taining valve having to be removed in order to release the retaining valve.

4. Retaining "alve fastenings, comprising U bolts having threaded ends of unequal length and adapted to be supported upon a car end, the said threaded ends exposed on the outside of the car end and to engage the car end and retaining valve respectively.

5. The combination with a car end and a retaining valve, of U bolts supported inside the car end and having threaded ends which extend outside of the car end, one of said threaded ends being secured to the car end and the other threaded end being detachably connected with the retaining valve without disturbing the connection with the car end.

6. The combination with a car end and a retaining valve having wings, of U bolts having threaded ends extending outwardly from the car end, one of said threaded ends being secured to the car end and the other threaded ends being secured to the wings and detachable therefrom to permit the removal of the retaining valve without affecting the connection of the other threaded ends with the car end.

7. The combination with a car end and a retaining valve having wings, of U bolts having threaded ends extending outwardly from the car end, one of said threaded ends being secured to the car end by nuts and the other threaded ends being secured to the wings by nuts and detachable therefrom to permit the removal of the retaining valve without altering or changing the relation of the firstnamed threaded ends with regard to the car enc.

8. The combination with a plate fastened to a car end and a retaining valve having wings, of U bolts having ends extending out wardly from the plate, one of said threaded ends being secured to the plate and the other threaded end being secured to the wings and detachable therefrom to permit the removal of the retaining valve without affecting the connection of the other threaded end with the plate.

In testimony whereof I have hereunto set my7hand this 7th day of November, A. D. 192

CLEON M. HANNAFOBD. 

